Canon Extender EF 1.4x II Overview

Teleconverter | Canon EF
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Canon EF 1.4X II Extender Telephoto Accessory
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Product description
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Manufacturer description: This tele extender can be used with fixed focal length lenses 135mm and longer (except the 135mm f/2.8 Softfocus lens), and the EF 70-200 f/2.8L, 70-200 f/2.8L IS, 70-200 f/4.0L, 70-200 f/4.0L IS USM, and 100-400 f/4.5-5.6L IS zoom lenses. Superb optically, it preserves the image quality of the lens it's mounted to and multiplies its focal length 1.4x. Effective aperture is reduced by one f-stop; autofocus is possible on any EOS camera when combined with a lens having an f/4 or faster maximum aperture. The new version II maintains the outstanding optics of the previous version, and adds enhanced weather-resistant construction, and improved anti-reflective surfaces in the barrel.

Quick specs
Lens type Teleconverter
Lens mount Canon EF
Weight 220 g (0.49 lb)
Length 27 mm (1.07)

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